We went ahead and did it--50 pairs of trousers from 50 different designers because, even though it will be summer, a pair of trousers is the basis of a good wardrobe and the determinate of the blouse lengths, heel heights, hair styles, and overall atmosphere of a season. For today's Trend Report we bring you every trouser silhouette and textile you could imagine. Click the designer's name below the featured runway image to see their Spring 2009 show.